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Finding the Fourth Proportional to 56.94, 85.25 and 44.76

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Solution

The fourth proportional to 56.94, 85.25 and 44.76 is: 67.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56.94 : 85.25 = 44.76 : x
  2. Step 2: Convert to fraction form
    56.94/85.25 = 44.76/x
  3. Step 3: Cross multiply
    56.94x = 85.25 × 44.76
  4. Step 4: Simplify right side
    56.94x = 3,815.57
  5. Step 5: Solve for x
    x = 3,815.57/56.94
  6. Step 6: Final answer
    x = 67.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.